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qemu_img: add cvtnum_full to print error reports

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All calls to cvtnum check the return value and print the same error
message more or less. And so error reporting moved to cvtnum_full to
reduce code duplication and provide a single error
message. Additionally, cvtnum now wraps cvtnum_full with the existing
default range of 0 to MAX_INT64.

Acked-by: Mark Kanda <mark.kanda@oracle.com>
Signed-off-by: Eyal Moscovici <eyal.moscovici@oracle.com>
Message-Id: <20200513133629.18508-2-eyal.moscovici@oracle.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: fix printf formatting, avoid trailing space, change error wording,
reformat commit message]
Signed-off-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Eyal Moscovici 2020-05-13 16:36:26 +03:00 • committed by Eric Blake
parent 0eaf453ebf
commit 43d589b074
2 changed files with 37 additions and 45 deletions
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8
tests/qemu-iotests/049.out
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@ -92,19 +92,19 @@ Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1649267441664 cluster_size=65536 l
== 3. Invalid sizes ==
qemu-img create -f qcow2 TEST_DIR/t.qcow2 -- -1024
qemu-img: Image size must be less than 8 EiB!
qemu-img: Invalid image size specified. Must be between 0 and 9223372036854775807.
qemu-img create -f qcow2 -o size=-1024 TEST_DIR/t.qcow2
qemu-img: TEST_DIR/t.qcow2: Value '-1024' is out of range for parameter 'size'
qemu-img create -f qcow2 TEST_DIR/t.qcow2 -- -1k
qemu-img: Image size must be less than 8 EiB!
qemu-img: Invalid image size specified. Must be between 0 and 9223372036854775807.
qemu-img create -f qcow2 -o size=-1k TEST_DIR/t.qcow2
qemu-img: TEST_DIR/t.qcow2: Value '-1k' is out of range for parameter 'size'
qemu-img create -f qcow2 TEST_DIR/t.qcow2 -- 1kilobyte
qemu-img: Invalid image size specified! You may use k, M, G, T, P or E suffixes for
qemu-img: Invalid image size specified. You may use k, M, G, T, P or E suffixes for
qemu-img: kilobytes, megabytes, gigabytes, terabytes, petabytes and exabytes.
qemu-img create -f qcow2 -o size=1kilobyte TEST_DIR/t.qcow2
@ -113,7 +113,7 @@ Optional suffix k, M, G, T, P or E means kilo-, mega-, giga-, tera-, peta-
and exabytes, respectively.
qemu-img create -f qcow2 TEST_DIR/t.qcow2 -- foobar
qemu-img: Invalid image size specified! You may use k, M, G, T, P or E suffixes for
qemu-img: Invalid image size specified. You may use k, M, G, T, P or E suffixes for
qemu-img: kilobytes, megabytes, gigabytes, terabytes, petabytes and exabytes.
qemu-img create -f qcow2 -o size=foobar TEST_DIR/t.qcow2